All 4 Ogerpon Masks

Main strategy First you use your Teal Mask Ogerpon to attach Grass Energy to them with their ability and to draw cards.
                         Then you can attack with Teal Mask or switch with Ogre's Mask one of your Ogerpon in play, with 1 from your discard pile, for
                        

Main strategy First you use your Teal Mask Ogerpon to attach Grass Energy to them with their ability and to draw cards.
                         Then you can attack with Teal Mask or switch with Ogre's Mask one of your Ogerpon in play, with 1 from your discard pile, for
                         every situation:
                         Teal Mask Ogerpon is good against Pokémon with much Energy attached or Pokémon with an Grass Weakness, like Roaring
                         Moon ex or Charizard ex.
                         Cornerstone Mask Ogerpon is good against Pokémon with an ability, because they can't deal damage to Cornerstone Mask
                         Ogerpon.
                         Wellspring Mask Ogerpon is good against little Pokémon, to make an multiple knockout, like against Lost Box, to knockout
                         2 Comfeys or against other little Pokémon like Charmander. It's also good against Pokémon with an Water Weakness.
                         Hearthflame Mask Ogerpon is good against everything, but just when there is enough damage on Hearthflame Mask
                        Ogerpon, but when there are enough, it makes insane damage.

Key Cards: Teal Mask Ogerpon - To attach fast Energy and to attack
                   Cornerstone Mask Ogerpon - To prevent damage from Pokémon with abilities
                   Wellspring Mask Ogerpon - To make multiple knockouts
                   Hearthflame Mask Ogerpon - To make big damage
                   Ogre's Mask - To switch 1 of your Ogerpon in play with 1 from your discard pile